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-rw-r--r--init.c147
1 files changed, 60 insertions, 87 deletions
diff --git a/init.c b/init.c
index aca607dc..4add942e 100644
--- a/init.c
+++ b/init.c
@@ -18,42 +18,7 @@
#include "fio.h"
#include "parse.h"
-/*
- * The default options
- */
-#define DEF_BS (4096)
-#define DEF_TIMEOUT (0)
-#define DEF_RATE_CYCLE (1000)
-#define DEF_ODIRECT (1)
-#define DEF_IO_ENGINE (FIO_SYNCIO)
-#define DEF_IO_ENGINE_NAME "sync"
-#define DEF_SEQUENTIAL (1)
-#define DEF_RAND_REPEAT (1)
-#define DEF_OVERWRITE (0)
-#define DEF_INVALIDATE (1)
-#define DEF_SYNCIO (0)
-#define DEF_RANDSEED (0xb1899bedUL)
-#define DEF_BWAVGTIME (500)
-#define DEF_CREATE_SER (1)
-#define DEF_CREATE_FSYNC (1)
-#define DEF_LOOPS (1)
-#define DEF_VERIFY (0)
-#define DEF_STONEWALL (0)
-#define DEF_NUMJOBS (1)
-#define DEF_USE_THREAD (0)
-#define DEF_FILE_SIZE (1024 * 1024 * 1024UL)
-#define DEF_ZONE_SIZE (0)
-#define DEF_ZONE_SKIP (0)
-#define DEF_RWMIX_CYCLE (500)
-#define DEF_RWMIX_READ (50)
-#define DEF_NICE (0)
-#define DEF_NR_FILES (1)
-#define DEF_UNLINK (1)
-#define DEF_WRITE_BW_LOG (0)
-#define DEF_WRITE_LAT_LOG (0)
-#define DEF_NO_RAND_MAP (0)
-#define DEF_HUGEPAGE_SIZE FIO_HUGE_PAGE
-#define DEF_THINKTIME_BLOCKS (1)
+#define FIO_RANDSEED (0xb1899bedUL)
#define td_var_offset(var) ((size_t) &((struct thread_data *)0)->var)
@@ -69,6 +34,9 @@ static int str_prioclass_cb(void *, unsigned int *);
static int str_exitall_cb(void);
static int str_cpumask_cb(void *, unsigned int *);
+#define __stringify_1(x) #x
+#define __stringify(x) __stringify_1(x)
+
/*
* Map of job/command line options
*/
@@ -96,24 +64,28 @@ static struct fio_option options[] = {
.type = FIO_OPT_STR,
.cb = str_rw_cb,
.help = "IO direction (read, write, rw, etc)",
+ .def = "read",
},
{
.name = "ioengine",
.type = FIO_OPT_STR,
.cb = str_ioengine_cb,
.help = "IO engine to use (sync, aio, etc)",
+ .def = "sync",
},
{
.name = "mem",
.type = FIO_OPT_STR,
.cb = str_mem_cb,
.help = "Backing type for IO buffers (malloc, shm, etc)",
+ .def = "malloc",
},
{
.name = "verify",
.type = FIO_OPT_STR,
.cb = str_verify_cb,
.help = "Verify sum function (md5 or crc32)",
+ .def = "0",
},
{
.name = "write_iolog",
@@ -159,30 +131,35 @@ static struct fio_option options[] = {
.off1 = td_var_offset(bs[DDIR_READ]),
.off2 = td_var_offset(bs[DDIR_WRITE]),
.help = "Block size unit",
+ .def = "4k",
},
{
.name = "offset",
.type = FIO_OPT_STR_VAL,
.off1 = td_var_offset(start_offset),
.help = "Start IO from this offset",
+ .def = "0",
},
{
.name = "zonesize",
.type = FIO_OPT_STR_VAL,
.off1 = td_var_offset(zone_size),
.help = "Give size of an IO zone",
+ .def = "0",
},
{
.name = "zoneskip",
.type = FIO_OPT_STR_VAL,
.off1 = td_var_offset(zone_skip),
.help = "Space between IO zones",
+ .def = "0",
},
{
.name = "lockmem",
.type = FIO_OPT_STR_VAL,
.cb = str_lockmem_cb,
.help = "Lock down this amount of memory",
+ .def = "0",
},
{
.name = "bsrange",
@@ -194,48 +171,63 @@ static struct fio_option options[] = {
.help = "Set block size range",
},
{
+ .name = "randrepeat",
+ .type = FIO_OPT_INT,
+ .off1 = td_var_offset(rand_repeatable),
+ .help = "Use repeatable random IO pattern",
+ .def = "1",
+ },
+ {
.name = "nrfiles",
.type = FIO_OPT_INT,
.off1 = td_var_offset(nr_files),
.help = "Split job workload between this number of files",
+ .def = "1",
},
{
.name = "iodepth",
.type = FIO_OPT_INT,
.off1 = td_var_offset(iodepth),
.help = "Amount of IO buffers to keep in flight",
+ .def = "1",
},
{
.name = "fsync",
.type = FIO_OPT_INT,
.off1 = td_var_offset(fsync_blocks),
.help = "Issue fsync for writes every given number of blocks",
+ .def = "0",
},
{
.name = "rwmixcycle",
.type = FIO_OPT_INT,
.off1 = td_var_offset(rwmixcycle),
- .help = "Cycle period for mixed read/write workloads",
+ .help = "Cycle period for mixed read/write workloads (msec)",
+ .def = "500",
},
{
.name = "rwmixread",
.type = FIO_OPT_INT,
.off1 = td_var_offset(rwmixread),
- .max_val= 100,
+ .maxval = 100,
.help = "Percentage of mixed workload that is reads",
+ .def = "50",
},
{
.name = "rwmixwrite",
.type = FIO_OPT_INT,
.off1 = td_var_offset(rwmixwrite),
- .max_val= 100,
+ .maxval = 100,
.help = "Percentage of mixed workload that is writes",
+ .def = "50",
},
{
.name = "nice",
.type = FIO_OPT_INT,
.off1 = td_var_offset(nice),
.help = "Set job CPU nice value",
+ .maxval = 20,
+ .def = "0",
},
#ifdef FIO_HAVE_IOPRIO
{
@@ -256,12 +248,14 @@ static struct fio_option options[] = {
.type = FIO_OPT_INT,
.off1 = td_var_offset(thinktime),
.help = "Idle time between IO buffers",
+ .def = "0",
},
{
.name = "thinktime_blocks",
.type = FIO_OPT_INT,
.off1 = td_var_offset(thinktime_blocks),
.help = "IO buffer period between 'thinktime'",
+ .def = "1",
},
{
.name = "rate",
@@ -279,61 +273,71 @@ static struct fio_option options[] = {
.name = "ratecycle",
.type = FIO_OPT_INT,
.off1 = td_var_offset(ratecycle),
- .name = "Window average for rate limits",
+ .name = "Window average for rate limits (msec)",
+ .def = "1000",
},
{
.name = "startdelay",
.type = FIO_OPT_INT,
.off1 = td_var_offset(start_delay),
.help = "Only start job when this period has passed",
+ .def = "0",
},
{
.name = "timeout",
.type = FIO_OPT_STR_VAL_TIME,
.off1 = td_var_offset(timeout),
.help = "Stop workload when this amount of time has passed",
+ .def = "0",
},
{
.name = "invalidate",
.type = FIO_OPT_INT,
.off1 = td_var_offset(invalidate_cache),
.help = "Invalidate buffer/page cache prior to running job",
+ .def = "1",
},
{
.name = "sync",
.type = FIO_OPT_INT,
.off1 = td_var_offset(sync_io),
.help = "Use O_SYNC for buffered writes",
+ .def = "0",
},
{
.name = "bwavgtime",
.type = FIO_OPT_INT,
.off1 = td_var_offset(bw_avg_time),
- .help = "Time window over which to calculate bandwidth",
+ .help = "Time window over which to calculate bandwidth (msec)",
+ .def = "500",
},
{
.name = "create_serialize",
.type = FIO_OPT_INT,
.off1 = td_var_offset(create_serialize),
.help = "Serialize creating of job files",
+ .def = "1",
},
{
.name = "create_fsync",
.type = FIO_OPT_INT,
.off1 = td_var_offset(create_fsync),
.help = "Fsync file after creation",
+ .def = "1",
},
{
.name = "loops",
.type = FIO_OPT_INT,
.off1 = td_var_offset(loops),
.help = "Number of times to run the job",
+ .def = "1",
},
{
.name = "numjobs",
.type = FIO_OPT_INT,
.off1 = td_var_offset(numjobs),
.help = "Duplicate this job this many times",
+ .def = "1",
},
{
.name = "cpuload",
@@ -352,12 +356,14 @@ static struct fio_option options[] = {
.type = FIO_OPT_INT,
.off1 = td_var_offset(odirect),
.help = "Use O_DIRECT IO",
+ .def = "1",
},
{
.name = "overwrite",
.type = FIO_OPT_INT,
.off1 = td_var_offset(overwrite),
.help = "When writing, set whether to overwrite current data",
+ .def = "0",
},
#ifdef FIO_HAVE_CPU_AFFINITY
{
@@ -372,12 +378,14 @@ static struct fio_option options[] = {
.type = FIO_OPT_INT,
.off1 = td_var_offset(end_fsync),
.help = "Include fsync at the end of job",
+ .def = "0",
},
{
.name = "unlink",
.type = FIO_OPT_INT,
.off1 = td_var_offset(unlink),
- .help = "Unlink files after job has completed",
+ .help = "Unlink created files after job has completed",
+ .def = "1",
},
{
.name = "exitall",
@@ -426,6 +434,7 @@ static struct fio_option options[] = {
.type = FIO_OPT_STR_VAL,
.off1 = td_var_offset(hugepage_size),
.help = "When using hugepages, specify size of each page",
+ .def = __stringify(FIO_HUGE_PAGE),
},
{
.name = NULL,
@@ -486,7 +495,7 @@ static struct option long_options[FIO_JOB_OPTS + FIO_CMD_OPTS] = {
},
};
-static int def_timeout = DEF_TIMEOUT;
+static int def_timeout = 0;
static char fio_version_string[] = "fio 1.11";
@@ -502,8 +511,8 @@ unsigned long long mlock_size = 0;
FILE *f_out = NULL;
FILE *f_err = NULL;
-static int write_lat_log = DEF_WRITE_LAT_LOG;
-static int write_bw_log = DEF_WRITE_BW_LOG;
+static int write_lat_log = 0;
+static int write_bw_log = 0;
/*
* Return a free job structure.
@@ -635,16 +644,7 @@ static int add_job(struct thread_data *td, const char *jobname, int job_add_num)
if (td == &def_thread)
return 0;
- /*
- * Set default io engine, if none set
- */
- if (!td->io_ops) {
- td->io_ops = load_ioengine(td, DEF_IO_ENGINE_NAME);
- if (!td->io_ops) {
- log_err("default engine %s not there?\n", DEF_IO_ENGINE_NAME);
- return 1;
- }
- }
+ assert(td->io_ops);
if (td->odirect)
td->io_ops->flags |= FIO_RAWIO;
@@ -806,7 +806,7 @@ int init_random_state(struct thread_data *td)
return 0;
if (td->rand_repeatable)
- seeds[3] = DEF_RANDSEED;
+ seeds[3] = FIO_RANDSEED;
if (!td->norandommap) {
for_each_file(td, f, i) {
@@ -1119,41 +1119,14 @@ static int fill_def_thread(void)
}
/*
- * fill globals
+ * fill default options
*/
- def_thread.ddir = DDIR_READ;
- def_thread.iomix = 0;
- def_thread.bs[DDIR_READ] = DEF_BS;
- def_thread.bs[DDIR_WRITE] = DEF_BS;
- def_thread.min_bs[DDIR_READ] = def_thread.min_bs[DDIR_WRITE] = 0;
- def_thread.max_bs[DDIR_READ] = def_thread.max_bs[DDIR_WRITE] = 0;
- def_thread.odirect = DEF_ODIRECT;
- def_thread.ratecycle = DEF_RATE_CYCLE;
- def_thread.sequential = DEF_SEQUENTIAL;
+ fill_default_options(&def_thread, options);
+
def_thread.timeout = def_timeout;
- def_thread.overwrite = DEF_OVERWRITE;
- def_thread.invalidate_cache = DEF_INVALIDATE;
- def_thread.sync_io = DEF_SYNCIO;
- def_thread.mem_type = MEM_MALLOC;
- def_thread.bw_avg_time = DEF_BWAVGTIME;
- def_thread.create_serialize = DEF_CREATE_SER;
- def_thread.create_fsync = DEF_CREATE_FSYNC;
- def_thread.loops = DEF_LOOPS;
- def_thread.verify = DEF_VERIFY;
- def_thread.stonewall = DEF_STONEWALL;
- def_thread.numjobs = DEF_NUMJOBS;
- def_thread.use_thread = DEF_USE_THREAD;
- def_thread.rwmixcycle = DEF_RWMIX_CYCLE;
- def_thread.rwmixread = DEF_RWMIX_READ;
- def_thread.nice = DEF_NICE;
- def_thread.rand_repeatable = DEF_RAND_REPEAT;
- def_thread.nr_files = DEF_NR_FILES;
- def_thread.unlink = DEF_UNLINK;
def_thread.write_bw_log = write_bw_log;
def_thread.write_lat_log = write_lat_log;
- def_thread.norandommap = DEF_NO_RAND_MAP;
- def_thread.hugepage_size = DEF_HUGEPAGE_SIZE;
- def_thread.thinktime_blocks = DEF_THINKTIME_BLOCKS;
+
#ifdef FIO_HAVE_DISK_UTIL
def_thread.do_disk_util = 1;
#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-25 23:55:17 +0000